...which is probably why it's required. Otherwise the service would have to presume. Which either excludes http:// http:// or https:// https:// probably the fi

...which is probably why it's required. Otherwise the service would have to presume. Which either excludes http:// http:// or https:// https:// probably the first. I've ran into this when writing an url shortener and decide that without the protocol, I'd just put https:// https:// in there. So that people could still add webcal://, ftp:// ssh:// and http:// http:// in there if they wish.